80770025

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4481}}^1$

素因数の和:4601

約数の個数: 24

約数和(自身を含む): 115599744

約数和(自身を除く): 34829719

約数列:

[1, 5, 7, 25, 35, 103, 175, 515, 721, 2575, 3605, 4481, 18025, 22405, 31367, 112025, 156835, 461543, 784175, 2307715, 3230801, 11538575, 16154005, 80770025]

約数ペア:

[(1, 80770025), (5, 16154005), (7, 11538575), (25, 3230801), (35, 2307715), (103, 784175), (175, 461543), (515, 156835), (721, 112025), (2575, 31367), (3605, 22405), (4481, 18025)]